Tire tread



FIG. 1 is a perspective view of a tire tread showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a perspective view of a tire tread showing a second embodiment of our new design, the tread pattern is understood to be repeated throughout the circumference of both embodiments of the tire tread; and,

FIG. 5 is a front elevational view of the tire tread of FIG. 4.

The broken line showing of the tire sidewall in FIGS. 1, 3 and 4 of the drawing is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a tire tread, as shown and described. 